Questions tagged [poliastro]

poliastro is a open source astrodynamics and orbital mechanics library written in python.

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How to change RAAN with 250 m/s DV?

I'm performing a transfer between 2 orbits with different RAAN (other orbital parameters are same). The perigee altitude of the orbits is 1000km, the apogee is <...
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2answers
112 views

Lambert method for in-plane transfer

I'm trying to solve the transfer between a circular orbit with 200km radius and an orbit with 200km perigee and 8000km apogee. The optimal transfer is hoffman, however, izzo.lambert from poliastro ...
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0answers
270 views

How can I plot a satellite TLE from its orbital parameters using python and skyfield?

I have a function that uses TLEs (Two-line elements) from Celestrak to plot the visibility of a satellite in Python. Is there a method with skyfield or poliastro to plot a TLE from given orbital ...
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0answers
45 views

Determine if two orbits cross paths

I'm trying to determine which orbital object will have the most close calls with another object. I've gotten the full TLE catalog from Space-Track.org, and using poliastro python package have ...
2
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1answer
242 views

Lambert problem solver needed for custom gravity in Python

I need to solve the Lambert problem, however, I have a custom gravity model. My ODE of motion is: ...
2
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1answer
329 views

Is it OK to spend 3 tons of fuel for the orbit transfer?

There are 2 coplanar orbits (same $i$,$\Omega$,$\omega$): Apogee and perigee on 200km Perigee on 700km, apogee on 8000 km I used the izzo.lambert function from ...
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1answer
324 views

Multiple revolution Lambert problem

The Lambert problem solution determines the $\Delta V$ required to transfer from r1 to r2 in ...
4
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2answers
529 views

A software for orbit propagation, considering Moon, Sun and zonal harmonics

I have to propagate the orbit of a satellite in 1 year, complying with the Sun, Moon and zonal harmonics effects. Is there preferably a free software, which could be used? I was suggested to use ...
5
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1answer
1k views

How does the poliastro python package “Going to Mars with Python” example work? What's it really doing?

@astrojuanlu's answer mentions the existence of the Python package poliastro, and in the documentation there I found an example titled Going to Mars with Python using poliastro among others. Input ...